69478799 has 8 divisors (see below), whose sum is σ = 75941040. Its totient is φ = 63176256.

The previous prime is 69478789. The next prime is 69478807. The reversal of 69478799 is 99787496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69478799 - 2⁸ = 69478543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69478729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39014 + ... + 40755.

It is an arithmetic number, because the mean of its divisors is an integer number (9492630).

Almost surely, 2^69478799 is an apocalyptic number.

69478799 is a deficient number, since it is larger than the sum of its proper divisors (6462241).

69478799 is a wasteful number, since it uses less digits than its factorization.

69478799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79849.

The product of its digits is 6858432, while the sum is 59.

The square root of 69478799 is about 8335.3943517988. The cubic root of 69478799 is about 411.1031150435.

The spelling of 69478799 in words is "sixty-nine million, four hundred seventy-eight thousand, seven hundred ninety-nine".